Citizens with no criminal record should be able, at will, to carry, concealed or open, any firearm they please, hand gun or long gun, anywhere they please without let or hindrance by government authorities.
The real issue, is the Michigan senate and house should get off their rear ends and pass SB0058 and HB 4009, then the firearms could be concealed and everybody would be happy.
As for suing, according to the Michigan State Police in their legal update to Law enforcement officers in Michigan, his forth amendment rights were violated.
(see http://www.michigan.gov/documents/msp/MSP_Legal_Update_No._86_2_336854_7.pdf) (last two paragraphs) he was detained without probable cause that a crime was committed or being committed, merely on the possibility that.....